We noted that Excel turned 40 this year. That makes it seem old, and today, if you say “spreadsheet,” there’s a good chance ...

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...

A practical guide to Excel sheet formulas, covering essential functions for faster calculations, cleaner data, and smoother ...

Business analysts and data scientists today increasingly need to clean, standardize and transform diverse data sets, such as name, address, date time, phone number, etc., before they can perform ...

This guide describes how to grey out unused cells in Excel in Windows 11/10, apply a solid fill color, use Conditional Formatting, or hide unused rows/columns.

The XLOOKUP or VLOOKUP choice is tied to scenario, as most needs are fixed lookups, letting you save time with the simpler ...

Microsoft Excel is the best esport that you didn't even know was an esport, and the Excel World Championships 2025 have just ...

From competitive spreadsheeting to office-skill tournaments, everyday tasks are being gamified. Is this playful innovation, ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Abstract: For calculation of voltages of an AC two-bus system, there exist conventional methods such as Ohmic calculation, Equivalent resistance method and etc. This paper presents the formulas for ...